CN107192219A - A kind of industrial grade monoammonium phosphate fluidized bed drying system and its control method - Google Patents
A kind of industrial grade monoammonium phosphate fluidized bed drying system and its control method Download PDFInfo
- Publication number
- CN107192219A CN107192219A CN201710624245.5A CN201710624245A CN107192219A CN 107192219 A CN107192219 A CN 107192219A CN 201710624245 A CN201710624245 A CN 201710624245A CN 107192219 A CN107192219 A CN 107192219A
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- Prior art keywords
- vibration
- bed
- fluid bed
- heat exchanger
- drying
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
- F26B3/0923—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating by mechanical means, e.g. vibrated plate, stirrer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
Abstract
The present invention relates to a kind of industrial grade monoammonium phosphate fluidized bed drying system, including drying air inlet fan, vapor heat exchanger, vibration drying fluid bed, cooled exhaust gas blower fan, sack cleaner, cyclone dust collectors, steam condensate heat exchanger, second cooling blower etc., the control method is to separate hot compressed air and cold compressed air to form two relatively independent air channels, and cold wind is recycled；The system and control method of the present invention, effectively prevents the generation of press, improves the driving rate of drying system, reduce steam consumption, realize energy-saving and emission-reduction.
Description
Technical field
The present invention relates to field of chemical equipment, more particularly to a kind of industrial grade monoammonium phosphate fluidized bed drying system and its control
Method processed.
Background technology
In industrial grade monoammonium phosphate device production process, the water-containing materials from centrifuge are introduced into feed hopper, then pass through
Screw feeder uniform distribution.Thermal source is using 0.5MPa (G) low-pressure steam one-level heating air, and steam condensate is after cooling
It is sent to desalted water station reuse.
Because the material containing moisture is after screw feeder, easily lump, fluid bed bed board is compacted, and air channel is blocked
Plug.Because the amplitude that the air channel that fine powder inevitably passes through enters layer box body under lower floor's vibrations feed bin, fluid bed is more next
It is smaller, press is caused, causes vicious circle.In actual production process, fluid bed integrates drying cooling, due to operation not
Stability, often results in dry-heat air and cools down the crossfire of wind, cause the water content and chilling temperature of product undesirable.
Based on this, it is necessary to which a kind of stable operation, drying property be good, chilling temperature ideal system and its control method quilt
Design.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, a kind of industrial grade monoammonium phosphate fluidized bed drying is obtained
System and its control method.
The present invention is to be achieved through the following technical solutions：
A kind of industrial grade monoammonium phosphate fluidized bed drying system, including dry air inlet fan, vapor heat exchanger, vibration drying stream
Change bed, cooled exhaust gas blower fan, sack cleaner, cyclone dust collectors, the second cooling blower, in addition to steam condensate heat exchanger；
Wherein, the entrance of air inlet fan is dried in air hose connection, and the outlet connection steam condensate of the dry air inlet fan is changed
The entrance of hot device, the entrance of the outlet connection vapor heat exchanger of the steam condensate heat exchanger, the steam condensate heat exchange
Device is additionally coupled to the Desultwater Station for reclaiming condensate liquid, and the vapor heat exchanger is also associated with the house steward for providing steam,
The leading portion blast pipe of the outlet connection vibration drying fluid bed of the vapor heat exchanger, the outlet of the vapor heat exchanger and house steward
Between be provided with temperature-sensing valve and the temperature adjustment instruction device for adjusting temperature-sensing valve, the leading portion of the vibration drying fluid bed goes out
Airduct connects the entrance of cyclone dust collectors, and the upper outlet of the cyclone dust collectors connects washing tail gas by the first cooling blower
Tower, connects the back segment blast pipe of the outlet connection vibration drying fluid bed of the second cooling blower of air, the vibration drying stream
The back segment discharge pipe for changing bed is connected to sack cleaner, the upper outlet connection of the sack cleaner by cooled exhaust gas blower fan
Air hose, the lower part outlet of the sack cleaner and the lower part outlet of cyclone dust collectors are connected to retracting device by chute,
The charging aperture connection of the vibration drying fluid bed provides the automatic centrifuge of crystallized stock, and the vibration drying fluid bed goes out
Material mouth connects product packing device.
The present invention further improvement is that, the outlet of the lower layer box body afterbody of the vibration drying fluid bed is other to be additionally provided with receipts
Feed bin, the receiving warehouse bottom is provided with Blowing stopper, it is ensured that do not leaked out during blanking, effectively solves asking for fluid bed press
Topic.
The present invention further improvement is that, the cross section of the powder spout of the receiving warehouse gradually increases along going out powder flow direction
It is small.
The present invention further improvement is that, be fixedly installed in the upper layer box body of the vibration drying fluid bed and lower layer box body
There are plenum partitions, the plenum partitions are separately positioned between leading portion blast pipe and back segment blast pipe, leading portion discharge pipe and back segment
Between discharge pipe, for splitting hot blast and cold wind, relatively independent air channel is formed, string wind is effectively avoided.
The present invention further improvement is that, the charging aperture of the vibration drying fluid bed is arranged on vibration drying fluid bed
On upper layer box body, charging aperture bottom is provided with the lower layer box body that connecting plate is connected to vibration drying fluid bed, cancels traditional spiral shell
Dispenser is revolved, using the amplitude for vibrating bed, connecting plate is installed additional and is changed to the vibrating distributor with deflector chute, improve cloth effect
Really, the stability of single unit system operation is improved.
Another object of the present invention, a kind of control method of industrial grade monoammonium phosphate fluidized bed drying system, its feature
It is, this method is based on a kind of above-mentioned industrial grade monoammonium phosphate fluidized bed drying system, comprises the following steps：
Step one, air sequentially enters steam condensate heat exchanger and vapor heat exchanger after drying air inlet fan pressurization,
The steam for being simultaneously from house steward enters vapor heat exchanger, and condensate liquid is recycled to Desultwater Station from steam condensate heat exchanger, plus
Heat enters the leading portion blast pipe of vibration drying fluid bed by pipeline to hot compressed air is formed after predetermined temperature；
Step 2, air forms cold compressed air after the pressurization of the second cooling blower, and it is dry to enter vibration by pipeline
The back segment blast pipe of dry fluid bed；
Step 3, the crystallized stock from automatic centrifuge is delivered to the charging aperture of vibration drying fluid bed, the crystallization
Material is inscribed after touch in vibration drying fluid bed with hot compressed air, and moisture evaporation becomes powder particle；
Powder particle in step 4, step 3 is entered after vibration drying fluid bed back segment, in the work of cold compressed air
With lower cooling, reach that the temperature of packing instructions obtains finished product, product packaging dress is delivered to from the discharging opening of vibration drying fluid bed
Put；
Step 5, crystallized stock is when vibration drying fluidized bed drying obtains powder particle, the hot blast with powder particle
Cyclone dust collectors are delivered to from the leading portion discharge pipe of vibration drying fluid bed and carry out dedusting, and the powder that dedusting is separated is from rotation
Discharge and be collected into powder reclaiming device and recycled in the bottom of wind deduster；
Step 6, powder particle when the back segment of vibration drying fluid bed is cooled down, the cold wind with powder particle from
The back segment discharge pipe of vibration drying fluid bed is delivered to cooled exhaust gas blower fan and cooled down, and is delivered to sack cleaner and is removed
Dirt, the powder that dedusting is separated, which is discharged from the bottom of sack cleaner and is collected into powder reclaiming device, carries out circulation profit
With the cold wind after cooling is delivered to the air hose before dry air inlet fan entrance from the afterbody of sack cleaner, carries out loop control
With utilization.
The control method of the present invention also includes the recycling step of powder in receiving warehouse, dry to resting on vibration using Blowing stopper
The powder of accumulation in lower floor's body structure of dry fluid bed carries out whereabouts recycling.
The hot compressed air of step one and the cold compressed air of step 2 are arranged on the ventilation in vibration drying fluid bed
Dividing plate is split to form each relatively independent air channel.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention is by cancelling screw feeder, using the amplitude for vibrating bed, installs connecting plate additional and is changed to carry guide
The vibrating distributor of groove, improves the stability of operation；
2nd, the present invention, for splitting hot blast and cold wind, forms relatively independent air channel, effectively by setting up plenum partitions
String wind is avoided, drying efficiency and cooling effect is improved；
3rd, the present invention is by setting up receiving warehouse and Blowing stopper, it is ensured that is not leaked out during blanking, effectively solves fluid bed pressure
The problem of bed；
4th, the present invention is by by the synthesis exhaust system of hot blast and cold wind, transforming two autonomous systems as, and cooled exhaust gas is removed
After dirt, as the influence for filling into gas, not only reducing string wind for drying air inlet fan, thermal source can be effectively utilized, steam is reduced
Consumption；
5th, the present invention can be utilized effectively by before low-pressure steam heater, setting up a steam condensate heat exchanger
Thermal source, reduces steam consumption；
6th, system and control method of the invention, effectively increase the driving rate of drying system, reduce steam consumption, real
Existing energy-saving and emission-reduction.
Brief description of the drawings
Fig. 1 is system structure diagram of the invention；
Fig. 2 is the structural representation of vibration drying fluid bed 18 in the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is referred to Fig. 2, a kind of industrial grade monoammonium phosphate fluidized bed drying system, including dry air inlet fan 7, steam
Heat exchanger 9, vibration drying fluid bed 18, cooled exhaust gas blower fan 15, sack cleaner 14, the cooling wind of cyclone dust collectors 13, second
Machine 11, in addition to steam condensate heat exchanger 8；
Wherein, the entrance of air inlet fan 7, the outlet connection steam condensate of the dry air inlet fan 7 are dried in air hose connection
The entrance of heat exchanger 8, the entrance of the outlet connection vapor heat exchanger 9 of the steam condensate heat exchanger 8, the steam condensate
Heat exchanger 8 is additionally coupled to the Desultwater Station 3 for reclaiming condensate liquid, and the vapor heat exchanger 9 is also associated with being used to provide steam
House steward 2, the leading portion blast pipe of the outlet connection vibration drying fluid bed 18 of the vapor heat exchanger 9, the vapor heat exchanger 9
Outlet and house steward between be provided with temperature-sensing valve 17 and the temperature adjustment instruction device 10 for adjusting temperature-sensing valve 17, the vibration
The leading portion discharge pipe of drying fluidized-bed 18 connects the entrance of cyclone dust collectors 13, and the upper outlet of the cyclone dust collectors 13 passes through
First cooling blower 12 connects tail gas washing tower 4, connects the outlet connection vibration drying fluidisation of the second cooling blower 11 of air
The back segment blast pipe of bed 18, the back segment discharge pipe of the vibration drying fluid bed 18 is connected to pocket type by cooled exhaust gas blower fan 15
Deduster 14, the upper outlet connection air hose of the sack cleaner 14, the lower part outlet of the sack cleaner 14 and rotation
The lower part outlet of wind deduster 13 is connected to retracting device 5, the charging aperture connection of the vibration drying fluid bed 18 by chute
The automatic centrifuge 1 of crystallized stock, the discharging opening connection product packing device 6 of the vibration drying fluid bed 18 are provided.
As first embodiment of the invention, the lower layer box body afterbody outlet of the vibration drying fluid bed 18 is other to be also set up
There is receiving warehouse 20, the bottom of receiving warehouse 20 is provided with Blowing stopper 21, it is ensured that is not leaked out during blanking, effectively solves fluid bed
The problem of press.
In one embodiment, the cross section edge of the powder spout of the receiving warehouse 20 goes out powder flow direction and gradually increased
It is small.
It is fixed in the upper layer box body of the vibration drying fluid bed 18 and lower layer box body as second embodiment of the invention
Plenum partitions 22 are provided with, the plenum partitions 22 are separately positioned between leading portion blast pipe and back segment blast pipe, leading portion air-out
Between pipe and back segment discharge pipe, for splitting hot blast and cold wind, relatively independent air channel is formed, string wind is effectively avoided.
As third embodiment of the invention, the charging aperture of the vibration drying fluid bed 18 is arranged on vibration drying fluidisation
On the upper layer box body of bed 18, charging aperture bottom is provided with the lower layer box body that connecting plate 19 is connected to vibration drying fluid bed 18, takes
Disappear traditional screw feeder, using the amplitude for vibrating bed, installs connecting plate 19 additional and is changed to the vibrating distributor with deflector chute,
Improve the stability of single unit system operation.
Another object of the present invention, a kind of control method of industrial grade monoammonium phosphate fluidized bed drying system, its feature
It is, this method is based on a kind of above-mentioned industrial grade monoammonium phosphate fluidized bed drying system, comprises the following steps：
Step one, air sequentially enters steam condensate heat exchanger 8 and steam heat-exchanging after drying air inlet fan 7 and pressurizeing
Device 9, the steam 2 for being simultaneously from house steward enters vapor heat exchanger, and condensate liquid is recycled to desalted water from steam condensate heat exchanger 8
Stand 3, be heated to after predetermined temperature form hot compressed air, the leading portion air intake of vibration drying fluid bed 18 is entered by pipeline
Pipe；
Step 2, air forms cold compressed air after the pressurization of the second cooling blower 11, and vibration is entered by pipeline
The back segment blast pipe of drying fluidized-bed 18；
Step 3, the crystallized stock from automatic centrifuge 1 is delivered to the charging aperture of vibration drying fluid bed 18, the knot
Brilliant material is inscribed after touch in vibration drying fluid bed 18 with hot compressed air, and moisture evaporation becomes powder particle；
Powder particle in step 4, step 3 is entered after the back segment of vibration drying fluid bed 18, in cold compressed air
Effect is lower to be cooled down, and reaches that the temperature of packing instructions obtains finished product, product bag is delivered to from the discharging opening of vibration drying fluid bed 18
Assembling device；
Step 5, crystallized stock is when vibration drying fluid bed 18 is dried to obtain powder particle, the heat with powder particle
Wind is delivered to cyclone dust collectors 13 from the leading portion discharge pipe of vibration drying fluid bed 18 and carries out dedusting, the powder that dedusting is separated
End, which is discharged from the bottom of cyclone dust collectors 13 and is collected into powder reclaiming device 5, to be recycled；
Step 6, powder particle is when the back segment of vibration drying fluid bed 18 is cooled down, the cold wind with powder particle
Cooled exhaust gas blower fan 15 is delivered to from the back segment discharge pipe of vibration drying fluid bed 18 to be cooled down, and is delivered to sack cleaner
14 carry out dedusting, and the bottom of the powder that dedusting is separated from sack cleaner 14 is discharged and is collected into powder reclaiming device 5
Recycled, the afterbody of the cold wind after cooling from sack cleaner 14 is delivered to the air hose before the dry entrance of air inlet fan 7,
Loop control is carried out with utilizing.
The control method of the present invention also includes the recycling step of powder in receiving warehouse 20, is rested on and shaken using 21 pairs of Blowing stopper
The powder of accumulation in lower floor's body structure of dynamic drying fluidized-bed 18 carries out whereabouts recycling.
The hot compressed air of step one and the cold compressed air of step 2 are arranged on logical in vibration drying fluid bed 18
The segmentation of wind dividing plate 22 forms each relatively independent air channel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of industrial grade monoammonium phosphate fluidized bed drying system, including dry air inlet fan, vapor heat exchanger, vibration drying fluidisation
Bed, cooled exhaust gas blower fan, sack cleaner, cyclone dust collectors, the second cooling blower, it is characterised in that also condensed including steam
Liquid heat exchanger；
Wherein, the entrance of air inlet fan, the outlet connection steam condensate heat exchanger of the dry air inlet fan are dried in air hose connection
Entrance, the steam condensate heat exchanger outlet connection vapor heat exchanger entrance, the steam condensate heat exchanger is also
The Desultwater Station for reclaiming condensate liquid is connected to, the vapor heat exchanger is also associated with the house steward for providing steam, described
The leading portion blast pipe of the outlet connection vibration drying fluid bed of vapor heat exchanger, between the outlet of the vapor heat exchanger and house steward
It is provided with temperature-sensing valve and the temperature adjustment instruction device for adjusting temperature-sensing valve, the leading portion discharge pipe of the vibration drying fluid bed
The entrance of cyclone dust collectors is connected, the upper outlet of the cyclone dust collectors connects tail gas washing tower by the first cooling blower,
Connect the back segment blast pipe of the outlet connection vibration drying fluid bed of the second cooling blower of air, the vibration drying fluid bed
Back segment discharge pipe sack cleaner is connected to by cooled exhaust gas blower fan, the upper outlet connection air of the sack cleaner
Pipe, the lower part outlet of the sack cleaner and the lower part outlet of cyclone dust collectors are connected to retracting device by chute, described
The charging aperture connection of vibration drying fluid bed provides the automatic centrifuge of crystallized stock, the discharging opening of the vibration drying fluid bed
Connect product packing device.
2. a kind of industrial grade monoammonium phosphate fluidized bed drying system according to claim 1, it is characterised in that：The vibration
The lower layer box body afterbody outlet of drying fluidized-bed is other to be additionally provided with receiving warehouse, and the receiving warehouse bottom is provided with Blowing stopper.
3. a kind of industrial grade monoammonium phosphate fluidized bed drying system according to claim 2, it is characterised in that：The rewinding
The cross section of the powder spout in storehouse along go out powder flow direction gradually increase it is small.
4. a kind of industrial grade monoammonium phosphate fluidized bed drying system according to claim 1, it is characterised in that：The vibration
Plenum partitions are fixedly installed in the upper layer box body of drying fluidized-bed and lower layer box body, the plenum partitions are separately positioned on leading portion
Between blast pipe and back segment blast pipe, between leading portion discharge pipe and back segment discharge pipe.
5. a kind of industrial grade monoammonium phosphate fluidized bed drying system according to claim 1, it is characterised in that：The vibration
The charging aperture of drying fluidized-bed is arranged on the upper layer box body of vibration drying fluid bed, and charging aperture bottom is provided with connecting plate connection
To the lower layer box body of vibration drying fluid bed.
6. a kind of control method of industrial grade monoammonium phosphate fluidized bed drying system, it is characterised in that this method will based on right
A kind of industrial grade monoammonium phosphate fluidized bed drying system described in 1 to 5 any one is sought, is comprised the following steps：
Step one, air sequentially enters steam condensate heat exchanger and vapor heat exchanger, simultaneously after drying air inlet fan pressurization
Steam from house steward enters vapor heat exchanger, and condensate liquid is recycled to Desultwater Station from steam condensate heat exchanger, is heated to
Hot compressed air is formed after predetermined temperature, the leading portion blast pipe of vibration drying fluid bed is entered by pipeline；
Step 2, air forms cold compressed air after the pressurization of the second cooling blower, and vibration drying stream is entered by pipeline
Change the back segment blast pipe of bed；
Step 3, the crystallized stock from automatic centrifuge is delivered to the charging aperture of vibration drying fluid bed, the crystallized stock
Inscribed after touch in vibration drying fluid bed with hot compressed air, moisture evaporation becomes powder particle；
Powder particle in step 4, step 3 is entered after vibration drying fluid bed back segment, in the presence of cold compressed air
Cooling, reaches that the temperature of packing instructions obtains finished product, product packing device is delivered to from the discharging opening of vibration drying fluid bed；
Step 5, crystallized stock is when vibration drying fluidized bed drying obtains powder particle, and the hot blast with powder particle is from shaking
The leading portion discharge pipe of dynamic drying fluidized-bed is delivered to cyclone dust collectors and carries out dedusting, and the powder that dedusting is separated is removed from whirlwind
Discharge and be collected into powder reclaiming device and recycled in the bottom of dirt device；
Step 6, powder particle is when the back segment of vibration drying fluid bed is cooled down, and the cold wind with powder particle is from vibration
The back segment discharge pipe of drying fluidized-bed is delivered to cooled exhaust gas blower fan and cooled down, and be delivered to sack cleaner carry out dedusting,
The powder that dedusting is separated is discharged from the bottom of sack cleaner and is collected into powder reclaiming device and recycled, cold
But the cold wind after is delivered to the air hose before dry air inlet fan entrance from the afterbody of sack cleaner, carries out loop control and profit
With.
7. a kind of control method of industrial grade monoammonium phosphate fluidized bed drying system according to claim 6, its feature exists
In, in addition in receiving warehouse powder recycling step, using Blowing stopper to resting on the lower layer box body knot of vibration drying fluid bed
The powder of accumulation in structure carries out whereabouts recycling.
8. a kind of control method of industrial grade monoammonium phosphate fluidized bed drying system according to claim 6, its feature exists
In the plenum partitions that the hot compressed air of step one and the cold compressed air of step 2 are arranged in vibration drying fluid bed divide
Cut to form each relatively independent air channel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624245.5A CN107192219A (en) | 2017-07-27 | 2017-07-27 | A kind of industrial grade monoammonium phosphate fluidized bed drying system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624245.5A CN107192219A (en) | 2017-07-27 | 2017-07-27 | A kind of industrial grade monoammonium phosphate fluidized bed drying system and its control method |
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| CN107192219A true CN107192219A (en) | 2017-09-22 |
Family
ID=59884324
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|---|---|---|---|
| CN201710624245.5A Pending CN107192219A (en) | 2017-07-27 | 2017-07-27 | A kind of industrial grade monoammonium phosphate fluidized bed drying system and its control method |
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| CN (1) | CN107192219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017666A (en) * | 2019-04-30 | 2019-07-16 | 中冶焦耐(大连)工程技术有限公司 | A kind of method and system of the dry sulphur ammonium of gas closed-circulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017666A (en) * | 2019-04-30 | 2019-07-16 | 中冶焦耐(大连)工程技术有限公司 | A kind of method and system of the dry sulphur ammonium of gas closed-circulation |
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Application publication date: 20170922 |